50PJ260R-MB (CHASSIS:PP01A) - LG TV Service Manual (repair manual). Page 31

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ⓒ LG Electronics. Inc.2009
You can see 20 types patterns by using TILT Key on SVC Remote controller (except Old model)
< CHECK Item >
1. Dead pixel  2.Image sticking
3.Mal discharge
4.Module defect (V-Line/Bar, H-Line/Bar,,,)
5. In case of no picture, you can judge defect cause (Module or Main B/D)
- If patterns appear, defect cause is Main B/D
Tilt Key
Making 
Revision 
PDP TV
Symptom
A. Picture Problem
Check Module pattern by Tilt key
Repair Process-Reference data
Item
A1
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